🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.6

Radius: 12.6

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.44 AU - 0.66 AU

Year: 277 Days

Day: 5.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,603,873 km

• M1: 156,779 km (0.078 R)
• M2: 577,149 km (0.116 R)
• M3: 1,112,260 km (0.088 R)
• M4: 1,536,520 km (0.116 R)
• M5: 1,936,096 km (0.032 R)
• M6: 2,383,244 km (0.055 R)
• M7: 2,778,631 km (0.109 R)
• M8: 3,323,317 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.3

Radius: 9.4

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.75 AU - 1.07 AU

Year: 589 Days

Day: 11.3 Hours

Environment

Temp: -181 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,603,873 km

• M1: 146,157 km (0.096 R)
• M2: 522,545 km (0.109 R)
• M3: 1,130,511 km (0.093 R)
• M4: 1,961,677 km (0.072 R)
• M5: 2,559,320 km (0.115 R)
• M6: 3,828,359 km (0.109 R)
• M7: 4,876,442 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.6

Radius: 14.5

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.45 AU - 1.49 AU

Year: 1209 Days

Day: 10.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,603,873 km

• M1: 180,864 km (0.117 R)
• M2: 1,026,541 km (0.109 R)
• M3: 1,749,547 km (0.096 R)
• M4: 2,437,398 km (0.078 R)
• M5: 2,918,804 km (0.096 R)
• M6: 3,409,335 km (0.079 R)
• M7: 4,062,031 km (0.12 R)
• M8: 5,133,750 km (0.093 R)
• M9: 5,658,689 km (0.093 R)
• M10: 6,178,242 km (0.085 R)
• M11: 6,773,343 km (0.047 R)
• M12: 7,406,591 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.1

Radius: 12

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.25 AU - 1.73 AU

Year: 1234 Days

Day: 8.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,603,873 km

• M1: 149,299 km (0.076 R)
• M2: 793,766 km (0.096 R)
• M3: 1,309,281 km (0.116 R)
• M4: 1,698,983 km (0.096 R)
• M5: 2,271,195 km (0.056 R)
• M6: 2,721,784 km (0.117 R)
• M7: 3,172,372 km (0.104 R)
• M8: 3,873,687 km (0.109 R)
• M9: 5,262,853 km (0.033 R)
• M10: 5,853,166 km (0.039 R)
• M11: 7,430,077 km (0.082 R)
• M12: 8,145,754 km (0.058 R)
• M13: 9,089,118 km (0.104 R)
• M14: 9,746,900 km (0.087 R)
• M15: 10,775,535 km (0.12 R)
• M16: 11,157,458 km (0.11 R)
• M17: 12,357,981 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.4

Radius: 9.4

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.07 AU - 3.13 AU

Year: 2843 Days

Day: 12.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,603,873 km

• M1: 116,836 km (0.12 R)
• M2: 514,018 km (0.075 R)
• M3: 838,496 km (0.026 R)
• M4: 1,349,074 km (0.061 R)
• M5: 1,719,478 km (0.089 R)
• M6: 2,883,050 km (0.076 R)
• M7: 4,193,528 km (0.108 R)
• M8: 6,282,213 km (0.057 R)
• M9: 6,947,176 km (0.102 R)
• M10: 8,095,040 km (0.077 R)
• M11: 8,548,322 km (0.056 R)
• M12: 10,495,338 km (0.109 R)
• M13: 10,917,503 km (0.053 R)
• M14: 14,714,895 km (0.042 R)
• M15: 15,147,084 km (0.068 R)
• M16: 18,468,605 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.3

Radius: 8

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.37 AU - 2.93 AU

Year: 2926 Days

Day: 11.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,603,873 km

• M1: 110,852 km (0.096 R)
• M2: 1,070,822 km (0.087 R)
• M3: 1,724,115 km (0.118 R)
• M4: 2,304,256 km (0.03 R)
• M5: 2,702,635 km (0.066 R)
• M6: 3,518,692 km (0.094 R)
• M7: 3,956,564 km (0.084 R)
• M8: 4,630,054 km (0.116 R)
• M9: 4,983,703 km (0.104 R)
• M10: 5,559,506 km (0.09 R)
• M11: 6,328,140 km (0.117 R)
• M12: 6,659,948 km (0.097 R)
• M13: 7,084,207 km (0.081 R)
• M14: 7,386,245 km (0.094 R)
• M15: 7,870,045 km (0.107 R)
• M16: 10,470,205 km (0.091 R)
• M17: 11,339,070 km (0.103 R)
• M18: 12,099,177 km (0.082 R)
• M19: 13,426,858 km (0.113 R)
• M20: 13,805,191 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.9

Radius: 6.9

Gravity: 20.54 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 7 AU - 7.84 AU

Year: 13709 Days

Day: 20.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,603,873 km

• M1: 85,869 km (0.102 R)
• M2: 333,454 km (0.105 R)
• M3: 594,352 km (0.09 R)
• M4: 960,119 km (0.049 R)
• M5: 1,241,513 km (0.12 R)
• M6: 2,164,831 km (0.088 R)
• M7: 2,411,667 km (0.108 R)
• M8: 2,654,315 km (0.08 R)
• M9: 4,154,183 km (0.084 R)
• M10: 4,703,955 km (0.098 R)
• M11: 6,187,817 km (0.074 R)
• M12: 8,601,728 km (0.072 R)
• M13: 9,331,317 km (0.046 R)
• M14: 12,930,492 km (0.1 R)
• M15: 13,816,859 km (0.119 R)
• M16: 14,168,265 km (0.058 R)
• M17: 15,109,983 km (0.06 R)
• M18: 15,333,183 km (0.065 R)
• M19: 17,523,147 km (0.112 R)
• M20: 18,778,123 km (0.091 R)
• M21: 24,095,131 km (0.106 R)
• M22: 24,399,862 km (0.057 R)
• M23: 25,121,073 km (0.106 R)
• M24: 25,434,331 km (0.09 R)
• M25: 26,175,738 km (0.067 R)
• M26: 31,652,067 km (0.062 R)
• M27: 33,888,256 km (0.112 R)
• M28: 34,527,637 km (0.091 R)
• M29: 39,935,301 km (0.119 R)
• M30: 41,807,369 km (0.067 R)
• M31: 54,457,664 km (0.067 R)
• M32: 61,171,317 km (0.105 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 15,405 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit